<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package	Zend_Search_Lucene
 * @subpackage Index
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license	http://framework.zend.com/license/new-bsd	 New BSD License
 */


/** Zend_Search_Lucene_Exception */
require_once 'Zend/Search/Lucene/Exception.php';

/** Zend_Search_Lucene_Index_SegmentInfo */
require_once 'Zend/Search/Lucene/Index/SegmentInfo.php';

/** Zend_Search_Lucene_Index_SegmentWriter */
require_once 'Zend/Search/Lucene/Index/SegmentWriter.php';


/**
 * @category   Zend
 * @package	Zend_Search_Lucene
 * @subpackage Index
 * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
 * @license	http://framework.zend.com/license/new-bsd	 New BSD License
 */
class Zend_Search_Lucene_Index_SegmentWriter_StreamWriter extends Zend_Search_Lucene_Index_SegmentWriter
{
	/**
	 * Object constructor.
	 *
	 * @param Zend_Search_Lucene_Storage_Directory $directory
	 * @param string $name
	 */
	public function __construct(Zend_Search_Lucene_Storage_Directory $directory, $name)
	{
		parent::__construct($directory, $name);
	}


	/**
	 * Create stored fields files and open them for write
	 */
	public function createStoredFieldsFiles()
	{
		$this->_fdxFile = $this->_directory->createFile($this->_name . '.fdx');
		$this->_fdtFile = $this->_directory->createFile($this->_name . '.fdt');

		$this->_files[] = $this->_name . '.fdx';
		$this->_files[] = $this->_name . '.fdt';
	}

	public function addNorm($fieldName, $normVector)
	{
		if (isset($this->_norms[$fieldName])) {
			$this->_norms[$fieldName] .= $normVector;
		} else {
			$this->_norms[$fieldName] = $normVector;
		}
	}

	/**
	 * Close segment, write it to disk and return segment info
	 *
	 * @return Zend_Search_Lucene_Index_SegmentInfo
	 */
	public function close()
	{
		if ($this->_docCount == 0) {
			return null;
		}

		$this->_dumpFNM();
		$this->_generateCFS();

		return new Zend_Search_Lucene_Index_SegmentInfo($this->_directory,
														$this->_name,
														$this->_docCount,
														-1,
														true,
														true);
	}
}

